Problem Statement

given a string, remove last character from the string

Solution

to remove last character from the given string in JavaScript, use String.substr() method. substr() method can take index, and length of substring as arguments, and returns the substring from the specified index for the given length. provide the length of substring, such that the last character is not included

str.substr(0, str.length - 1)

Program

remove last character from the string str

let str = 'helloworld';
let output = str.substr(0, str.length - 1);
console.log(output);